"Akai Professional 25-key USB MIDI Keyboard ( LPK 25 Note Keyboard )"

Theres a sustain button octave up and down controls tap tempo and four programmable memory banks for comprehensive control.

Its small enough to fit in a backpack or laptop bag so you can take it with you anywhere.

"andmiddot USB-MIDI controller works with virtually all audio softwareandmiddot 25 velocity-sensitive mini-keyboard keysandmiddot Arpeggiator sustain button octave up and down and tap tempo controlsandmiddot Plug-and-play USB connection for Mac and PC requires no driver installationandmiddot Small enough to fit in a backpack or laptop bagandmiddot Four programmable memory banksandmiddot Comes with editor software for Mac and PCandmiddot USB bus powered no additional power cable needed MELODIC PERFORMANCE IN THE PALM OF YOUR HAND.

Whenever and wherever inspiration strikes you can pop the LPK25 out of your bag and be making music with virtually any audio software in seconds.

Create melodic and harmonic ideas on the go with the LPK25.

This bus-powered USB MIDI controller has 25 velocity-sensitive mini-keyboard keys and an arpeggiator for automatically stepping through the notes of a chord in sequence.